
Help Sheet for reading SPSS printouts
... Test for Equality of Variances.” This tests the assumption that the variances for the two groups are equal. You want this to be non significant (because you want there to be no difference in the variances between the groups – this is an assumption for an independent samples t-test). To determine if ...
... Test for Equality of Variances.” This tests the assumption that the variances for the two groups are equal. You want this to be non significant (because you want there to be no difference in the variances between the groups – this is an assumption for an independent samples t-test). To determine if ...
homeworke_ch3
... 1. A value that is typical or representative of the data is referred to as a measure of central location. 2. The arithmetic mean is the sum of the observations divided by the total number of observations. 3. For a set of data arranged or sorted in numerical order, the value of the observation in the ...
... 1. A value that is typical or representative of the data is referred to as a measure of central location. 2. The arithmetic mean is the sum of the observations divided by the total number of observations. 3. For a set of data arranged or sorted in numerical order, the value of the observation in the ...
Chapter 4: Evaluating Analytical Data
... errors by taking proper care. Identifying Determinate Errors Determinate errors can be difficult to detect. Without knowing the expected value for an analysis, the usual situation in any analysis that matters, there is nothing to which we can compare our experimental result. Nevertheless, there are ...
... errors by taking proper care. Identifying Determinate Errors Determinate errors can be difficult to detect. Without knowing the expected value for an analysis, the usual situation in any analysis that matters, there is nothing to which we can compare our experimental result. Nevertheless, there are ...
ECN-0003/1
... instrumentation, the manual titrimetric technique, using the visual ferroin indicator, is included. Judging end points with a visual color change, especially if the samples are highly seasoned and highly colored, can differ from person to person. The potentiometric method overcomes this problem beca ...
... instrumentation, the manual titrimetric technique, using the visual ferroin indicator, is included. Judging end points with a visual color change, especially if the samples are highly seasoned and highly colored, can differ from person to person. The potentiometric method overcomes this problem beca ...
16 Chapter Generalizing a Sample’s Findings to Its
... which you make a generalization about an entire class based on what you have observed about a small set of members of that class. When you infer, you draw a conclusion from a small amount of evidence. For example, if two of your friends each bought a new Chevrolet and they both complained about thei ...
... which you make a generalization about an entire class based on what you have observed about a small set of members of that class. When you infer, you draw a conclusion from a small amount of evidence. For example, if two of your friends each bought a new Chevrolet and they both complained about thei ...